by Jane Beggs-Joles    After a deceptively mild December, winter showed up with a vengeance in January. Freezing cold, plenty of snow, and some ice mixed in for good measure. February brought more of the same. When you’re not thinking about how much you don’t want to shovel yet again you’re likely thinking about the  promise of spring. You know what that means: a trip to the garden center.   After all, shopping for the spring garden is a lot more fun than shopping for spring clothes. Unlike